Given the balanced thermochemical equation, 2 H2O(1) + H2(g) + O2 (8) AHrån = +572 kJ determine the heat associated with the reaction (grxn) when5.6 moles of O 2(g) are produced. Round and report your answer without any decimal place.

Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h

Which statement describes james chadwick’s discovery.

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils. the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.